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Home >> Pontiac >> 2008 >> Torrent GXP, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 90 (Heating, Ventilation, And Air Conditioning) >> Repair Instructions >> Air Conditioning Evaporator Thermal Expansion Valve Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2009 Pontiac Torrent and 2009 Chevrolet Equinox. However, it is still accessible from the selected car via links, so may be relevant.
  1. Recover the refrigerant. Refer to Refrigerant Recovery and Recharging .
    2. Fig 1: View Of Evaporator Outlet Hose & Liquid Line At TXV
    GM1646735Courtesy of GENERAL MOTORS CORP.
    NOTE: When removing the thermal expansion valve (TXV), keep dirt and foreign material from getting on or into the sealing surfaces. Clean tools and a clean work area are important for proper service. The TXV seal area should be cleaned before any repairs are performed. The parts must be kept clean at all times and any parts to be assembled should be cleaned with a non-petroleum based solvent and dried with air. Use only lint free cloths to wipe parts. Do not allow solvent to enter evaporator or hoses.
  2. Remove the evaporator outlet hose and liquid line retainer plate nut from the TXV.
  3. Remove the evaporator outlet hose and liquid line from the TXV.
  4. Remove and discard the sealing washers from the evaporator outlet hose and liquid line.
  5. Install protective caps to the evaporator outlet hose and the liquid line to prevent contamination and desiccant saturation. Refer to Sealing Washer Replacement .
    6. Fig 2: View Of TXV & Backing Plate
    GM1646787Courtesy of GENERAL MOTORS CORP.
  6. Remove the TXV bolts from the backing plate.
  7. Remove the TXV and the backing plate from the vehicle.
  8. Remove and discard the seal washers from the evaporator pipes. Refer to Sealing Washer Replacement .
  9. Install a protective cap to the evaporator pipes to prevent contamination and desiccant saturation.
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